Some parameters with grey factors in sports system which are not suitable to be evaluated by other theories can be put into this study area and be evaluated here.
它能把体育系统内部的某些具有的灰色因素参数而用其它理论不便于量化评价的研究领域置入它的理论研究范畴内给予量化评价。
In this paper, we expound the existence of grey factors influence beyond man control system, present grey factors input output theory and model involving grey factors.
阐述了一般经济系统外灰要素影响的存在性，提出了包括灰要素影响量在内的灰色投入产出理论与模型。
On the basis of this the factors are weighted by analysis of grey incidence.
在此基础上，用灰色关联度分析确定了各因子的权重；
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